Tube frame for axminster looms



March 13, 1928.

J. G. SODERBERG ET AL TUBE FRAME FOR AXMINSTER LOOMS Filed A112. 21, 1922 Patented Mar. 13, 1928.

JOHN GK SODERZBEM, 'GEORIGE D.

WORCESTER, MASSACHUSETTS, ASSIGNORS TO CROMPTON SOKNUWLES LOOM WORKS,

TUBE FRAME 'FOR AX'MINSTER LOOKS.

Application filed August 21, 1922. Serial No. 583,137.

This invention relates to a tube frame particularly designed for use in looms for weaving Axminster carpet and other similar fabrics. g

It is the general object of our invention -to provide improvedfeaturesof construction in such tube frames by which they are better adapted tov the. conditions under which they aroused.

With thisgeneral object in view one tea.

. -ture of our invention relates to the provision of anim roved hanger or supporting end for a tu e frame, so constructed that a largerv and stronger spool bearing. is made possible. 1

Further features of our invention relate to the provision of improved meansfor se curing the hanger-springs inposition to an improved spool friction device on the tube frame, and to certain arrangements and combinations of parts which will be hereinafter described and more particularly pointed out in the appended claims.

A preferred form of the invention is shown in the drawings in which Fig. 1 is a side elevation of a portion of a tube frame embodying our improvements;

Fig. 2 is a side elevation of one of the hangers;

Fig. 3 is a right hand end elevation thereof looking in the direction of the arrow 3 in Fig. 2;

Fig. 1 is a sectional elevation, taken along the line 4-4 in Fig. 3;

Fig. 5 is a perspective view of a spring clip used upon our improved hanger;

Fig. 6 is a plan view of the hanger shown in Fig. 2;

Fig. 7 is a left hand end elevation of the hanger, looking in the direction of the arrow 7 in Fig. 2, and

Figs. 8 and 9 are plan and side views of our improved spool friction.

Referring to the drawings. we have shown portions of a yarn spool 10 having heads 11 and gudgeons 12 upon which the spool is rotatably supported. The tube frame 13 is provided with hangers at each end, each hanger preferably comprising a substantially L-shaped outer member 14 and an L- shaped inner member 15.

A hanger spring 16 extends through an opening 17 (Fig. 4) in the offset upper end,

as is usual, for attaching the tube imitate the conveying chains. The lower end of the spring 16 is received and heldin an opening 19 in the memberl andis SBCUIBCllIl position on said member by a screw or rivet 20. The spring 16is thus securelyheld against displacement and may be so shaped WLOGK'WOOD. .ANI) WILLI M w. non'nnrson, or

initially that it will be under considerable tension when drawn to the position indicated in Fig.4. i

The upper end 21 of the innerv hanger member 15 provides an open'bearing for the gudgeon 12. It has been heretofore 0115mm. ary to utilize the stock displaced iniforming the opening 17 as a bearing for. the spool gu'dgeon. "XVith this constructionyhowever,

thestock for thebearlng 21 and also for much limited and has been found insuflicient to support the long and heaVyTtubeKframe now used. With Your improved construction, the width of the bearing portion 21 may substantially exceed the width of the opening 17 in the member 1 1, as is clearl shown by a comparison of Fig. 3 with Fig. 7. f

The offset lower ends of the members 14 and 15 extend within the tube frame 13 and engage the top and bottom thereof. A spring clip 22 (Fig. 5) is secured to the upper end of the inner bearing member 15. The clip 22 has an opening 23 through which the bearing portion 21 extends and a portion of the stock from this opening is first bent forward to form a slightly inclined guide for the end of the gudgeon and is thereafter bent outward as indicated at 2 1 to form a shoulder engaging the upper side of the gudgeon 12. Above the opening 23 the clip 22 is also recessed as indicated at 25 to assist in guiding and centering the spool gudgeon as a spool is inserted in the tube frame.

We have also provided an improved friction device for the spool 10 which device preferably comprises a plate 26 of flat resilient metal having an offset portion 27 in which a block 28 of rubber or other friction material is secured. The parts are sopro '70 the offset portion of the hanger member 14 is" portioned that the face or outer bearing 1 surface of the block 28 is approximately 1n alignment with the upper surface of the plate 26. This construct-ion permits the spool to he slidalong over the spring 26 to the position shown in Fig. 1, without abruptly engaging and displacing the friction block 28, as has frequently happened when the block is mounted on a continuous fiat surface of the friction spring. Easy ontrance of the spool may also be facilitated by providing the friction block :28 with a beveled edge 29, as indicated in Fig. 9.

Having thus described the several features of our invention, we do not wish to he limited to the details herein disclosed otherwise than as set forth in the claims, but what we claim is 1. In a yarn tube frame, a hanger comprising an outer supporting men'iber and an inner bearing member permanently secured together, and a spring clip, said clip having a recessed portion adapted to guide and position a spool gudgeon in said bearing memher.

2. In a tube frame hanger, a spool bearing member, and a resilient spring clip mounted thereon, said clip having a recessed portion adapted to guide a spool gudgcon to said bearing member, and having an opening in said clip for said gudgeon.

3. In a tube frame hanger, a. spool bearing member, and a resilient spring clip mounted thereon, said clip having a recessed portion adapted to guide a spool gudgeonto said bearing member, and having an opening in said clip for said gudgeon, and having a shoulder forming the outer side of the hearing for said spool gudgeon.

4. A spring clip for a tube frame hanger formed from a single piece of thin resilient. metal and having an attaching portion, and a recessed portion adapted to guide a spool gudgeon to its bearing position.

5. In a yarn tube fran'ie having an end bracket supporting a spool, bearing, a spool tension spring comprising a strip of resilient. fiat; metal extending longitudinally of the tube frame and having an end portion thereof remote from said bracket secured to said tube frame, the free end of said spring extending from said point of attachment in an upwardly inclined direction toward said bracket and having its end portion downwardly offset, and having a block of friction material disposed in said oilset portion with its outer surface in approximate alignment with the upper surface of the body of said spring, whereby said block of friction material is protected from accidental engagement and displacement by a spool head during the longitudinal movement of a spool relative to said tube frame while being assembled therewith.

In testimony whereof we have hereunto afiixed our signatures.

JOHN G. SODICRBICRU. GEORGE D. LOCKWOUI). WILLIAM W. ROBERTS )N. 

